21200002202 has 8 divisors (see below), whose sum is σ = 31805769312. Its totient is φ = 10598079100.

The previous prime is 21200002199. The next prime is 21200002237. The reversal of 21200002202 is 20220000212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 947174 + ... + 969297.

It is an arithmetic number, because the mean of its divisors is an integer number (3975721164).

Almost surely, 2^21200002202 is an apocalyptic number.

21200002202 is a deficient number, since it is larger than the sum of its proper divisors (10605767110).

21200002202 is a wasteful number, since it uses less digits than its factorization.

21200002202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922004.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 21200002202 its reverse (20220000212), we get a palindrome (41420002414).

The spelling of 21200002202 in words is "twenty-one billion, two hundred million, two thousand, two hundred two".